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White Borders For Instagram

White borders for Instagram, without cropping

A white border on Instagram is really a question about shape. The border is whatever space is left when the whole photo is placed on the canvas the app wants.

Why the border appears at all

A camera photo is usually 4:3 or 3:2, wider than it is tall. Instagram’s feed takes a post up to 4:5, taller than it is wide, and crops anything that does not fit its frame. Placing the whole photo on a canvas of the shape the feed wants, and filling what is left with white, is how you post a picture without the app cutting anything off. The white you see above and below is not a style choice made first; it is what remains after the photo is fitted.

That is why this site treats it as a fit rather than a border width. You pick the destination — portrait, square, grid or story — and the photo is scaled down only if it is larger than the target, never enlarged, and centred. The frame’s own width, if you set one, is kept as the minimum border on the narrow sides.

The four shapes, from one landscape photo

Each figure below is drawn by this site’s own renderer from the same 4032 × 3024 stand-in, so the dimensions in the captions are the dimensions the studio writes.

Portrait 4:5 — drawn by this site's renderer: a 4032 × 3024 picture becomes 1080 × 1350.
Square 1:1 — drawn by this site's renderer: a 4032 × 3024 picture becomes 1080 × 1080.
Grid 3:4 — drawn by this site's renderer: a 4032 × 3024 picture becomes 1080 × 1440.
Portrait 4:5
1080 × 1350. The largest a post appears in the feed, so the photo itself is shown biggest.
Square 1:1
1080 × 1080. Less white above and below a landscape photo; smaller in the feed than 4:5.
Grid 3:4
1080 × 1440. The profile grid previews posts at this shape, so a 3:4 post shows whole on the grid.
Story 9:16
1080 × 1920. Full-screen stories and reels; a landscape photo becomes a band across the middle.

Sizes as published in Buffer’s Instagram image size guide, checked 18 October 2026. Instagram changes its shapes from time to time; when it does, that page and this one will disagree until this one is updated.

Choosing between them

For a single post, 4:5 gives the photo the most room in the feed. If your profile grid matters to you, 3:4 shows whole on the grid as well as in the feed. Square is the safe middle when you are not sure. For a white border that should look the same on every post in a series, set an exact width on the white border page first — 40 px, say — and then fit, so the narrow sides always carry at least that much white.

A white border disappears against a white feed and stands out against a dark one. If that bothers you, a blurred copy of the photo as the fill reads as one picture in both; that is what the blurred border page does.

What this guide does not claim

  • Instagram is likely to re-compress what you upload. This site makes no claim about another service’s processing; it gives you the exact size, and the rest is the app’s.
  • The grid shape and feed sizes come from a third-party guide with a check date, not from Instagram itself.

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